<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="search()">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="employees" highlight-current-row v-loading="listLoading"
              @selection-change="selsChange" style="width: 100%;">
      <!--就是每行前面的那个 小框框-->
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="username" label="姓名" width="120" sortable>
      </el-table-column>
      <el-table-column prop="phone" label="电话" width="150" sortable>
      </el-table-column>
      <el-table-column prop="email" label="E-mail" width="250" sortable>
      </el-table-column>
      <el-table-column prop="age" label="年龄" width="100" sortable>
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <!-- scope: 可以获取到一行的数据 通过scope.row -->
        <template scope="scope">
          <span style="color: #11b95c" v-if="scope.row.state == 1">开启</span>
          <span style="color: brown" v-else-if="scope.row.state == 0">禁用</span>
          <span style="color: #8c939d" v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="department.name" label="所属部门" min-width="180" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>

    </el-table>

    <!--工具条
     :disabled ： 是否展示 没有选中(数组长度为0)的时候 不能点击
                  选中了(数组长度不为0)的时候 可以点击11
    -->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :current-page="currentPage" :page-size="pageSize" :total="total"
                     style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑界面-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="editForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话号码" prop="phone">
          <el-input v-model="editForm.phone" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="editForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">开启</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <!--所属部门，级联选择器-->
        <el-form-item label="所属部门">
          <el-cascader v-model="editForm.departmentId" filterable placeholder="请选择" clearable
                       :show-all-levels="true"
                       :options="options"
                       :props="{checkStrictly: true,
                                expandTrigger: 'hover',
                                value: 'id',
                                label: 'name', }">
          </el-cascader>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>

  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import {
  getEmployeeListPage,
  removeEmployee,
  batchRemoveEmployee,
  editEmployee,
  addEmployee
} from '../../api/api';


export default {
  data() {
    return {
      //级联选择器，部门的无限极树
      options: [],
      //编辑界面
      title: '',
      //高级查询关键字
      filters: {
        keyword: '',
      },
      shops: [],
      depts: [],
      employees: [],
      //分页查询参数
      total: 0,
      currentPage: 1,
      pageSize: 5,
      //忙等
      listLoading: false,
      sels: [],//列表选中列

      editFormVisible: false,//编辑界面是否显示
      editLoading: false,
      editFormRules: {
        username: [
          { required: true, message: '请输入姓名', trigger: 'blur' }
        ]
      },
      //编辑界面数据
      editForm: {
        id: null,
        username: '',
        phone: '',
        email: '',
        age: 0,
        state: 0,
        departmentId: null,
      },

    }
  },

  methods: {
    //重置查询
    clearSearch() {
      this.filters.keyword = '';
      this.filters.dept = null;
    },

    //查询
    search() {
      this.currentPage = 1;
      this.getEmployees();
    },

    //查询部门无限极树
    getDeptTree() {
      this.$http.get("/dept/tree")
          .then(result=>{
            this.options = result.data
          })
          .catch(result=>{
            alert("Error!")
          })
    },

    //查询所有店铺

    //查询所有部门
    getDept() {
      this.$http.get("/dept")
          .then(result=>{
            this.depts = result.data
          })
    },

    //性别显示转换
    formatSex: function (row, column) {
      return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
    },

    //点击页码事件
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getEmployees();
    },

    //获取员工列表
    getEmployees() {
      let para = {
        currentPage: this.currentPage,
        pageSize: this.pageSize,
        keyword: this.filters.keyword,
      };
      this.listLoading = true;
      //发送请求，查询员工
      this.$http.post("/emp", para)
          .then(result=>{
            this.listLoading = false
            this.employees = result.data.rows
            this.total = result.data.totals
          })
          .catch(result=>{
            alert("ERROR!")
          })

    },

    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        //发送请求
        this.$http.delete("/emp/" + row.id)
            .then(result=>{
              this.listLoading = false
              this.$message({ //返回执行信息
                message: result.data.msg,
                type: 'success'
              });
              this.getEmployees();  //刷新页面
            })
      }).catch(() => {  //后端报错返回
        this.$message({
          message: result.data.msg,
          type: result.data.success ? 'success' : 'error'
        });
      });
    },

    //显示编辑界面
    handleEdit: function (index, row) {
      this.editFormVisible = true;
      this.title = '编辑';
      this.editForm = Object.assign({}, row);
      this.getDeptTree();
    },
    //显示新增界面
    handleAdd: function () {
      this.editFormVisible = true;
      this.title = '新增';
      //置空数据
      this.editForm = {
        id: null,
        username: '',
        phone: '',
        email: '',
        age: null,
        state: 0,
        departmentId: null,
      };
      this.getDeptTree();
    },

    //编辑
    editSubmit: function () {
      this.$refs.editForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.editLoading = true;
            //发送请求
            let para = Object.assign({}, this.editForm)
            //判断是否选择部门以及部门id是否为一个数组
            if (para.departmentId && para.departmentId instanceof Array) {
              para.departmentId = para.departmentId[para.departmentId.length - 1]
            }
            this.$http.put("/emp", para)
                .then((res) => {
                  this.editLoading = false;
                  this.$message({
                    message: '提交成功',
                    type: 'success'
                  });
                  this.$refs['editForm'].resetFields();
                  this.editFormVisible = false;
                  this.getEmployees();
                });
          });
        }
      });
    },

    //多选
    selsChange: function (sels) {
      this.sels = sels;
    },
    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true;
        //发送请求
        this.$http.patch("/emp", ids)
            .then(result=>{
              this.listLoading = false
              this.$message({ //返回执行信息
                message: result.data.msg,
                type: 'success'
              });
              this.getEmployees();
            })
            .catch(result=>{
              this.$message({
                message: result.data.msg,
                type: result.data.success ? 'success' : 'error'
              });
            })
      }).catch(() => {
        //取消
      });
    }
  },

  mounted() {
    this.getDept();
    this.getEmployees();
  }
}

</script>

<style scoped>

</style>
